Results 11 to 20 of about 42,592 (230)

Inheritance of disc flower color in Helianthus petiolaris [PDF]

open access: yes, 2009
Disc flowers of Helianthus petiolaris (Asteraceae) are usually purple reddue to anthocyanin pigments in corolla lobes, style and stigma. However, yellow-flowered plants are occasionally found.
Delucchi, C.   +2 more
core   +1 more source

New Records of Leaf-Feeding for Adult \u3ci\u3eDiabrotica Barberi\u3c/i\u3e (Coleoptera: Chrysomelidae) [PDF]

open access: yes, 2017
The first records of leaf-feeding on Iva xanthifolia (marsh elder) and Helianthus annuus (common sunflower) by adult Diabrotica barberi are reyorted. During September 1992, beetles were observed feeding on leaves 0 these plants, despite the availability ...
Hesler, Louis S
core   +2 more sources

Glyphosate inhibition of ferric reductase activity in iron deficient sunflower roots [PDF]

open access: yes, 2007
Iron (Fe) deficiency is increasingly being observed in cropping systems with frequent glyphosate applications. A likely reason for this is that glyphosate interferes with root uptake of Fe by inhibiting ferric reductase in roots required for Fe ...
Cakmak, Ismail   +10 more
core   +3 more sources

Oviposition by the Banded Sunflower Moth, \u3ci\u3eCochylis Hospes\u3c/i\u3e (Lepidoptera: Cochylidae) in Response to \u3ci\u3eHelianthus Annuus\u3c/i\u3e Pollen [PDF]

open access: yes, 2017
Oviposition on an artificial substrate by the banded sunflower moth Cochylis hospes Walsingham was examined in response to sunflower pollen (Helianthus annuus) and sunflower pollen extract.
Barker, John F, Grugel, Sharon
core   +2 more sources

Spatio-temporal mapping of variation potentials in leaves of Helianthus annuus L. seedlings in situ using multi-electrode array. [PDF]

open access: yes, 2014
Damaging thermal stimuli trigger long-lasting variation potentials (VPs) in higher plants. Owing to limitations in conventional plant electrophysiological recording techniques, recorded signals are composed of signals originating from all of the cells ...
Huang, Lan   +4 more
core   +3 more sources

Pollen from multiple sunflower cultivars and species reduces a common bumblebee gut pathogen [PDF]

open access: yesRoyal Society Open Science, 2019
Pathogens are one of the factors driving pollinator declines. Diet can play an important role in mediating pollinator health and resistance to pathogens. Sunflower pollen (Helianthus annuus) dramatically reduced a gut pathogen (Crithidia bombi) of Bombus
George M. LoCascio   +3 more
doaj   +1 more source

Evaluation of Argentine wild sunflower biotypes for drought stress during reproductive stage [PDF]

open access: yes, 2012
As in several regions where sunflower production has moved to areas with limiting water availability, the search for water-stress tolerant genotypes has been intensified. Helianthus annuus ssp. annuus L.
Cantamutto, Miguel Ángel   +3 more
core   +1 more source

Evaluation of some garden flowers as specialty cut flowers in Eskisehir province-Türkiye [PDF]

open access: yesPeerJ
Specialty cut flowers are in demand, especially in the domestic market as they can be grown with low production costs without the need for specially equipped greenhouses and offer diversity in terms of form, texture, and colour. These products, which are
Sibel Yiğiter, İlkay Coskun
doaj   +2 more sources

Genetic mapping of loci involved in oil tocopherol composition control in Russian sunflower (Helianthus annuus L.) lines

open access: yesG3: Genes, Genomes, Genetics, 2022
Tocopherols are antioxidants that preserve oil lipids against oxidation and serve as a natural source of vitamin E in the human diet.
Rim Gubaev   +12 more
doaj   +1 more source

In vivo Analgesic activity of methanolic extract of Helianthus annuus seeds [PDF]

open access: yes, 2016
The sunflower seed is the seed of the sunflower (Helianthus annuus). The methanol extract of seeds of Helianthus annuus were screened for analgesic activity in mice model to systematically explore the medicinal values of the plant.
Islam, Rubab Tarannum, Islam, Tanjimul
core   +1 more source

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